The 2023–24 Purdue Fort Wayne Mastodons men's basketball team represented Purdue University Fort Wayne in the 2023–24 NCAA Division I men's basketball season.

The Mastodons, led by tenth-year head coach Jon Coffman, played their home games at the Hilliard Gates Sports Center in Fort Wayne, Indiana, as members of the Horizon League.

They finished the season 23–13, and 11–9 in Horizon League play to tie with Cleveland State for seventh place.

[1] The Mastodons finished the 2020–21 season 17–15, 9–11 in Horizon League play, to finish tied for eighth place.

They went to lose in the first round of the Horizon League tournament to Detroit Mercy.